SANS Stormcast: Daily Cyber Security News

In today's episode: a critical GitLab integer overflow that allows unauthenticated code execution, Let s Encrypt moving to 64-day TLS certificates in February 2027, Midnight Mimosa malware pre-installed on cheap Android phones, and Progress MarkLogic security updates. CVE-2026-97229 - Integer Overflow Issue in CI/CD Regular Expression Compiler Impacts GitLab CE/EE An integer overflow in GitLab's C...

In today's episode: why the Traffic Light Protocol (TLP) should not replace internal data classification, a server-side request forgery (SSRF) flaw in Amazon Bedrock AI agents that exposed credentials through the EC2 instance metadata service (IMDS), and ransomware groups exploiting a Palo Alto Networks GlobalProtect authentication bypass. Why TLP Should Not Replace Your Internal Information Class...

In today's episode: new scripts for reconstructing AI agent activity during forensic investigations, an attacker's Claude chat history recovered after breaches at South Korean financial institutions, internationalized domain name (IDN) lookalikes that still get past Chrome, and an unpatched Cisco Finesse server-side request forgery (SSRF) vulnerability. Reconstructing AI Agent Activity: Two New Sc...

Scans for Atlassian vulnerablity (CVE-2026-21589) https://isc.sans.edu/diary/Scans%20for%20Atlassian%20vulnerablity%20%28CVE-2026-21589%29/33406 .gh, .sl and .as ccTLD Compromise https://blog.google/security/chromes-response-to-recent-cctld-registry-hijacks/ Cisco Nexus 3000 and 9000 Series Switches Remote Code Execution Vulnerabilities https://sec.cloudapps.cisco.com/security/center/content/Cisco...

More RMM Tools In the Wild https://isc.sans.edu/diary/More%20RMM%20Tools%20In%20the%20Wild/33400 WORDPRESS LIBHEIF RCE https://fortbridge.co.uk/research/wordpress-libheif-rce/ SONICWALL SMA1000 SERIES APPLIANCES Vulnerabilities CVE-2026-102255, CVE-2026-102256, CVE-2026-102257, CVE-2026-102258 https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017 OpenSSH 10.6 Released https://seclists.or...

TTY Logs and the Data it Captures https://isc.sans.edu/diary/TTY%20Logs%20and%20the%20Data%20it%20Captures/33396 Citrix Netscaler SAML Vulnerability (0-Day) CVE-2026-88779 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174 https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-net...

User Agent Strings Curiosities https://isc.sans.edu/diary/User%20Agent%20Strings%20Curiosities/33394 FortiMail Improper limitation of a pathname to a restricted directory CVE-2026-104286 https://fortiguard.fortinet.com/psirt/FG-IR-26-175 Critical GitLab Vulnerability CVE-2026-90970 https://docs.gitlab.com/releases/patches/other-patches/patch-release-gitlab-ai-gateway-19-4-1-released/ Updates to Fu...

ScreenConnect Client (Ab)used by Attackers https://isc.sans.edu/diary/ScreenConnect+Client+Abused+by+Attackers/33388/#comments Attackers abuse ChatGPT to deliver RAT via ClickFix https://www.huntress.com/blog/chatgpt-custom-gpts-clickfix-rat?_sp=51406044-aa1d-4278-a4e7-adb5b8ef84b2.1790890760100 Spoofing iCloud From Address https://sec-consult.com/blog/detail/from-anyoneicloudcom-spoofing-arbitrar...

Cisco Catalyst SD-WAN Manager API Authentication Bypass Vulnerability CVE-2026-76504 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-webauth-xr8beuuU WatchGuard AP Command Injection in Internal Management API Allows Command Execution https://psirt.watchguard.com/CVE-2026-86102/ A Realistic Code Execution Exploit Chain in OpenBao and Vault https://contro...

Scans for Wordfence Protected Websites https://isc.sans.edu/diary/Scans%20for%20Wordfence%20Protected%20Websites/33382 MikroTik RouterOS Vulnerability (CVE-2026-84411) https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-06 Poper Blocker: The Adblocker That Spies on You https://amibeingpwned.com/blog/poper-blocker-the-adblocker-that-spies-on-you My Upcoming Classes https://www.sans.org/prof...

Apple Emergency Patch for iOS 26, macOS26, macOS15 (CVE-2026-86950) https://isc.sans.edu/diary/Apple%20Emergency%20Patch%20for%20iOS%2026%2C%20macOS26%2C%20macOS15%20%28CVE-2026-86950%29/33376 https://support.apple.com/en-us/100100 Proof of concept for macOS CoreServices Priv. Escalation (CVE-2026-43786) https://github.com/Malwation/CVE-2026-43786 NeedyMantis: Unpacking a post-compromise malware f...

A Closer Look at Malware From the Macfinger ClickFix Campaign https://isc.sans.edu/diary/A%20Closer%20Look%20at%20Malware%20From%20the%20Macfinger%20ClickFix%20Campaign/33368 Citrix NetScaler ADC and Citrix NetScaler Gateway Security Bulletin for CVE-2026-88771 through CVE-2026-88778 https://community.citrix.com/techzone-blogs/110_security-updates/netscaler-adc-and-netscaler-gateway-security-bulle...

One URL, Three Different Tricks https://isc.sans.edu/diary/33366 Send GitLab an email, push to main https://www.aikido.dev/blog/gitlab-email-push-to-main macOS MacSync Malware Update https://securelist.com/macsync-new-version/121383/ SolarWinds Observability Self-Hosted 2026.2.3 https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/hco_2026-2-3_release_notes.ht...

Macfinger ClickFix Campaign https://isc.sans.edu/diary/Macfinger%20ClickFix%20campaign/33360 Graphalgo campaign spreads to Terraform providers and Go Modules https://www.aikido.dev/blog/graphalgo-terraform-go-modules MikroTik vulnerabilities technical analysis, https://cert.pl/en/posts/2026/09/mikrotrick-technical-analysis/ F5 Big-IP Vulnerability Details CVE-2026-94127 https://labs.watchtowr.com/...

The Truth about GET and HTTP Standards https://isc.sans.edu/diary/The%20Truth%20about%20GET%20and%20HTTP%20Standards/33358 CVE-2026-93616: 0-Day Remote Code Execution Vulnerability patch in Checkpoint Management Server https://support.checkpoint.com/results/sk/sk1000171/ VeloCloud Orchestrator (VCO) Patch for Exploited Vulnerability CVE-2026-93952 https://www.arista.com/en/support/advisories-notic...

TerminalFix PNG Steganography https://isc.sans.edu/diary/TerminalFix%3A%20PNG%20Steganography/33318 NPM Btree Malware Campaign Without Install Script https://checkmarx.com/zero-post/npm-btree-malware-campaign-affects-millions-of-downloads-no-need-for-install-script/ Pi-Hole Update and Advisory https://github.com/pi-hole/FTL/security/advisories/GHSA-2794-hrj8-5jg9 My Upcoming Classes https://www.sa...

HTTP QUERY Method: The Grey Zone Between GET and POST https://isc.sans.edu/diary/HTTP%20QUERY%20Method%3A%20The%20Grey%20Zone%20Between%20GET%20And%20POST./33352 Simple MacOS Docker Escape https://www.accomplish.ai/blog/escaping-dockers-hypervisor/ CVE-2026-77179 Brevo ClickFix Compromise https://status.brevo.com/incidents/01M2QBC4EZ24ZACW6SWQYVW8N3/write-up LastPass (and other) lookalike GitHub R...

LausivLoader analysis, or how to pass data between malware stages https://isc.sans.edu/diary/LausivLoader%20analysis%2C%20or%20how%20to%20pass%20data%20between%20malware%20stages/33348 Issabel Framework Hard-coded JWT Key RCE CVE-2026-89026 https://www.vulncheck.com/advisories/issabel-pbx-hard-coded-jwt-key-rce-via-pbxapi-manager-originate Using Cyber Decoys to Strengthen Detection and Response ht...

Scans Targeting Hospitality Applications https://isc.sans.edu/diary/Scans%20Targeting%20Hospitality%20Applications/33344 Cisco Identity Services Engine Authentication Bypass Vulnerability CVE-2026-76460 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 Acronis Local privilege escalation due to insecure file permissions CVE-2026-87886 https://se...

MacOS 27 - First Boot https://isc.sans.edu/diary/MacOS%2027%20-%20First%20Boot/33340 Cisco Secure Email Gateway SQL Injection Vulnerability CVE-2026-76461 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX Detecting and Mitigating Active Directory Compromises https://www.cisa.gov/resources-tools/resources/detecting-and-mitigating-active-director...

Apple Updates Everything https://isc.sans.edu/diary/Apple%20Updates%20Everything/33336 Homebrew 7 Released https://brew.sh/2026/09/13/homebrew-7.0.0/ Microsoft Out-of-Band Patch https://support.microsoft.com/en-us/servicing/os/windows-11/2026/09/kb5129195-windows-11-24h2-25h2-security-update Telegram XSS Vulnerability https://expatch.com/writeups/telegram-html-export-xss.html My Upcoming Classes h...

The Self-Expanding Stolen Inference Supply Chain: An AI Agent Harvesting and Re-Serving LLM Access https://isc.sans.edu/diary/The%20Self-Expanding%20Stolen%20Inference%20Supply%20Chain%3A%20An%20AI%20Agent%20Harvesting%20and%20Re-Serving%20LLM%20Access/33332 CVE-2026-0310 PAN-OS: Buffer Overflow Vulnerability via XML Processing https://security.paloaltonetworks.com/CVE-2026-0310 OpenAI agents carr...

Redtail Payload Analysis https://isc.sans.edu/diary/Redtail%20Payload%20Analysis%20%5BGuest%20Diary%5D/33326 Checkpoint Critical Security Advisory: VPN Vulnerabilities CVE-2026-85102 and CVE-2026-8510 https://community.checkpoint.com/t5/General-Topics/Action-Required-Critical-Security-Advisory-VPN-Vulnerabilities/td-p/281995 Cisco Secure Firewall Management Center Software Authentication Bypass Vu...

Scans for Proxmox Servers https://isc.sans.edu/diary/Scans%20for%20Proxmox%20Servers/33324 Next Nightmare Eclipse Vulnerability https://github.com/MSNightmare/ShieldCrash/blob/main/README.md Google Chrome Updates https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html FortiPAM Vulnerability https://amibeingpwned.com/blog/fortinet-pam-vuln My Upcoming Classes...

September 2026 Microsoft Patch Tuesday https://isc.sans.edu/diary/September%202026%20Microsoft%20Patch%20Tuesday/33320 Adobe Security Bulletins https://helpx.adobe.com/security/security-bulletin.html Security Advisory Ivanti Neurons for ITSM https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Neurons-for-ITSM-Multiple-CVEs?language=en_US Fortinet Advisory https://www.fortiguard.com/psirt/FG-...